The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2013
Filed:
Nov. 16, 2010
Applicants:
Xiaofeng Yang, Troy, MI (US);
Wenbo Wang, Novi, MI (US);
Tang-wei Kuo, Troy, MI (US);
Jeffrey M. Kaiser, Highland, MI (US);
Chao F. Daniels, Superior Township, MI (US);
Inventors:
Xiaofeng Yang, Troy, MI (US);
Wenbo Wang, Novi, MI (US);
Tang-Wei Kuo, Troy, MI (US);
Jeffrey M. Kaiser, Highland, MI (US);
Chao F. Daniels, Superior Township, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for operating a spark-ignition internal combustion engine includes controlling spark ignition timing responsive to a combustion charge flame speed corresponding to an engine operating point and a commanded air/fuel ratio associated with an operator torque request.